<div class="video_block">					
    <div class="vd250">
        <iframe width="250" height="141" src="//www.youtube.com/embed/Y_LFrMcoEm4" frameborder="0" allowfullscreen></iframe>
    </div>	
</div>
<div class="video_block">	
    <div class="vd250">
        <iframe width="250" height="141" src="//www.youtube.com/embed/NoOLJ5fY7zU" frameborder="0" allowfullscreen></iframe>
    </div>	
</div>
<div class="video_block">
    <div class="vd250">
        <iframe width="250" height="141" src="//www.youtube.com/embed/K_RaMI0nhdA" frameborder="0" allowfullscreen></iframe>
    </div>	
</div>